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Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Exam - Topic 2 Question 28 Discussion

An integration Mule application is deployed to a customer-hosted multi-node Mule 4 runtime duster. The Mule application uses a Listener operation of a JMS connector to receive incoming messages from a JMS queue.How are the messages consumed by the Mule application?
C) Depending on the Listener operation configuration, either all messages are consumed by ONLY the primary cluster node or else EACH message is consumed by ANY ONE cluster node
A) Depending on the JMS provider's configuration, either all messages are consumed by ONLY the primary cluster node or else ALL messages are consumed by ALL cluster nodes
B) Regardless of the Listener operation configuration, all messages are consumed by ALL cluster nodes
D) Regardless of the Listener operation configuration, all messages are consumed by ONLY the primary cluster node

Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Exam - Topic 2 Question 28 Discussion

Actual exam question for Salesforce's Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) exam
Question #: 28
Topic #: 2
[All Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Questions]

An integration Mule application is deployed to a customer-hosted multi-node Mule 4 runtime duster. The Mule application uses a Listener operation of a JMS connector to receive incoming messages from a JMS queue.

How are the messages consumed by the Mule application?

Show Suggested Answer Hide Answer
Suggested Answer: C

Correct answer is Depending on the Listener operation configuration, either all messages are consumed by ONLY the primary cluster node or else EACH message is consumed by ANY ONE cluster node

For applications running in clusters, you have to keep in mind the concept of primary node and how the connector will behave. When running in a cluster, the JMS listener default behavior will be to receive messages only in the primary node, no matter what kind of destination you are consuming from. In case of consuming messages from a Queue, you'll want to change this configuration to receive messages in all the nodes of the cluster, not just the primary.

This can be done with the primaryNodeOnly parameter:

<jms:listener config-ref='config' destination='${inputQueue}' primaryNodeOnly='false'/>


by Nickole at Apr 05, 2025, 09:46 AM

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Herminia
9 months ago
Definitely not D, that would be too limiting.
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Shannon
9 months ago
I disagree, A seems more accurate to me.
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Elbert
9 months ago
B is definitely wrong, can't consume on all nodes like that.
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Tambra
9 months ago
Wait, so all messages can go to any node? That's surprising!
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Kanisha
10 months ago
I think it's C, makes the most sense.
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Juliann
10 months ago
I’m pretty certain that only the primary node consumes messages unless configured otherwise, so I’m leaning towards option A.
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Jannette
10 months ago
I feel like I read that messages can be consumed by different nodes based on the JMS provider's setup, but I can't recall the exact details.
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Leslie
10 months ago
I think I practiced a similar question where the listener's configuration determined how messages were consumed. Maybe it's option C?
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Rhea
10 months ago
I remember something about how JMS works in clustered environments, but I'm not sure if it's all nodes or just the primary that consumes messages.
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Leontine
11 months ago
This seems straightforward to me. Based on my understanding of Mule 4 clustering, the messages will be consumed by all cluster nodes, regardless of the Listener operation configuration. I'm confident I can identify the correct answer.
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Luther
11 months ago
Okay, I think I've got this. The key is understanding how the Listener operation configuration interacts with the JMS provider settings. I'll carefully consider each answer option and select the one that best matches the behavior described in the question.
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Madalyn
11 months ago
Hmm, I'm a bit confused by the wording of the question. I'll need to think through the different scenarios and how the JMS provider and Listener operation settings might impact message consumption across the cluster nodes.
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Tyisha
11 months ago
This seems like a tricky question about how messages are consumed in a Mule 4 cluster. I'll need to carefully review the details about the JMS connector and Listener operation configuration to determine the correct answer.
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Esteban
1 year ago
Option D? Really? Putting all the eggs in one basket doesn't sound like a good idea to me. I'll stick with C or B.
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Rutha
1 year ago
Yeah, I don't think putting all the load on one node is a good idea. Option C sounds like a more balanced approach.
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Stefan
1 year ago
I think option B might be the best choice here. It ensures all cluster nodes are consuming the messages.
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Geraldine
1 year ago
I agree, option D does seem risky. I would go with option C just to be safe.
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Noel
1 year ago
Haha, I bet the JMS provider is having a real fun time keeping up with this Mule application! Option A sounds like a wild ride.
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Fidelia
1 year ago
I'm leaning towards option B. Seems like a safer bet to have all nodes consume the messages, just in case the primary node goes down or something.
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Keith
1 year ago
User4: I see your point, User3. It's important to consider the JMS provider's configuration when deciding how messages are consumed.
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Kristeen
1 year ago
User3: I'm not sure, but I think option A could also work depending on the JMS provider's configuration.
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Alethea
1 year ago
User2: I agree with User1. Option C seems like the best choice for ensuring all messages are consumed.
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Leatha
1 year ago
User1: I think option C makes more sense. Each message being consumed by any one cluster node sounds efficient.
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Raina
1 year ago
That's interesting. I wonder how the Mule application handles message consumption in a multi-node cluster.
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Edward
1 year ago
I believe all messages are consumed by ALL cluster nodes regardless of the Listener operation configuration.
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Craig
1 year ago
Option C sounds like the way to go. It makes sense that the configuration would determine whether all nodes consume the messages or just the primary one.
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Alease
1 year ago
Yes, it's important to consider the configuration settings to ensure the messages are consumed correctly by the cluster nodes.
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Roxane
1 year ago
I agree, option C seems logical. The Listener operation configuration should determine how the messages are consumed.
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Raina
1 year ago
I think the messages are consumed by ONLY the primary cluster node based on the Listener operation configuration.
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